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Samsung Gravity T (SGH-T669) vs Xiaomi 15 (China 512GB/12GB)

Side by side comparison between Samsung Gravity T vs Xiaomi 15 phones, differences, pros, cons and full specifications. What's the better?

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Compare Xiaomi 15 X Samsung Gravity T (SGH-T669) 03Points
2.8"
TFT

240x320

2
MP
N/A
1000
mAh

(Removable)

vs
37Points Xiaomi 15 (China 512GB/12GB) Compare Samsung Gravity T X
6.36"
AMOLED

1200x2670

50
MP

32mp

12GB
RAM

Octa-core

5400
mAh

(Non removable)

What's the better phone? Xiaomi 15 (China 512GB/12GB)

The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!

Gravity T (SGH-T669)} 3 Advantages Samsung Gravity T (SGH-T669) vs 15 (China 512GB/12GB)} 37 Advantages Xiaomi 15 (China 512GB/12GB)
+Until 16GB microSD, microSDHCAdvantage
More external storage for files using memory cards
vsNot supported
+120 grams (4.2 ounces)60%
Lighter
vs192 grams (6.72 ounces)
+Li-Ion: lithium-ion (Removable)Advantage
Removable battery can be replaced easily
vsLi-Si: lithium-silicon (Non removable)
184MHz 32bit Single-corevs+4.32GHz 64bit Octa-core (3nm)46 times
More powerful processor, you can open your applications faster
50MBvs+512GB (458GB available)9379 times
More internal storage for applications and files
15 millimeters (0.59 inches)vs+8.4 millimeters (0.33 inches)79%
Thinner
TFT LCDvs+LTPO AMOLEDAdvantage
LTPO AMOLED display is brighter and more vivid
260 thousandvs+68 billion261538 times
More colors on the screen is better quality images and videos
240x320 pixelsvs+1200x2670 pixels41 times
Higher resolution screen
143 PPIvs+460 PPI2 times
Crisper display of text, images and videos because it has more pixels per inch (ppi)
2.8"vs+6.36"127%
Larger screen
(back) 2MPvs+(triple camera) 50MP + 50MP + 50MP77 times
Higher resolution main camera
Not supportedvs+Dual-LED flashAdvantage
The Dual-LED flash helps in dark places or in low light
Only digital zoomvs+Digital and optical zoomAdvantage
The zoom allows for better focus and approach to take pictures
Not supportedvs+PDAF: phase detection autofocusAdvantage
Best autofocus type for taking pictures
Not supportedvs+(front) 32MPAdvantage
A front-camera is best for taking selfies
Supportedvs+8K UHD (7680x4320)Advantage
More image quality for recording videos with the primary camera
10 appsvs+3500000 apps (Google Play Store)349999 times
More apps available to download and use
3G HSDPAvs+5G Sub6Advantage
The 5G Sub6 network is newer and faster
(3G HSDPA) 3.6 Mbpsvs+(5G Sub6) 3000 Mbps832 times
Faster for surfing the internet and download files
Resistivevs+CapacitiveAdvantage
Better touchscreen. The capacitive screen is much more sensitive.
Singlevs+MultitouchAdvantage
Better touch type. Multitouch allows to use more fingers at the same time.
Not supportedvs+Ambient light sensorAdvantage
Sensors help you use the device
Not supportedvs+BarometerAdvantage
Sensors help you use the device
Not supportedvs+CompassAdvantage
Sensors help you use the device
Not supportedvs+Face unlockAdvantage
Sensors help you use the device
Not supportedvs+Fingerprint sensor (under display)Advantage
Sensors help you use the device
Not supportedvs+GyroscopeAdvantage
Sensors help you use the device
Not supportedvs+Proximity sensorAdvantage
Sensors help you use the device
1000 mAhvs+5400 mAh4 times
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supportedvs+Video callingAdvantage
The video calling allows to make calls with voice and video
1 slot (Single-SIM)
(dedicated slot)
vs+2 slots (Dual-SIM) + e-SIM (Eletronic)Advantage
You can have more mobile carriers/operators on the same device.
via Micro-USBvs+Type-C reversible connectorAdvantage
Best output for headset
Not supportedvs+802.11 a/b/g/n/ac/ax/be [wifi7/6E/6]Advantage
WiFi 802.11 a/b/g/n/ac/ax/be [wifi7/6E/6] is newer and faster
2.1 + A2DPvs+6.0 + A2DP/LEAdvantage
Bluetooth 6.0 + A2DP/LE is newer and faster
Not supportedvs+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
MicroUSB 2.0vs+USB 3.2 Type-C, USB OTG On-The-GoAdvantage
Newer and faster USB version for transferring photos, mp3 or data.
MicroUSB 2.0vs+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
Not supportedvs+Dragon Crystal GlassAdvantage
Protection against scratches on the screen lets you carry your phone with your keys
Not supportedvs+IP68 certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example

4 Common items in both devices
Accelerometer
Hands-free calling
Vibrating alert
A-GPS / A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
+ specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differences Clear highlight

📱 Model features

Samsung Gravity T (SGH-T669)Xiaomi 15 (China 512GB/12GB)
Change model 
ModelGravity T (SGH-T669)Xiaomi 15 (China 512GB/12GB)
Other model namesT-Mobile Samsung Gravity Touch T669, Samsung SGH-T669Xiaomi 15 24129PN74C
Country or region availableUSA
USA
China
China
BrandSamsungXiaomi
Release date6/23/201010/29/2024
Depth15 millimeters (0.59 inches)8.4 millimeters (0.33 inches)
Size (width x height)56.6 x 110 millimeters (2.23 x 4.33 in)71.2 x 152.3 millimeters (2.8 x 6 in)
Weight120 grams (4.2 ounces)192 grams (6.72 ounces)
Build, materialsfeature not registeredAluminum body, glass front
Protection against water and othersNot supportedIP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant

📲 Display

Samsung Gravity T (SGH-T669)Xiaomi 15 (China 512GB/12GB)
Display typeTFT LCDLTPO AMOLED
Screen size2.8" inches6.36" inches
Screen-to-body ratio~39% (screen-to-body ratio)~90% (screen-to-body ratio)
Display resolution240x320 pixels1200x2670 pixels (20:9)
TouchscreenResistive Single touch 1-pointCapacitive Multitouch 10-points
Pixel density (dot pitch)143 PPI460 PPI
Colors260 thousand68 billion
Scratch-resistant glassNot supportedDragon Crystal Glass
Refresh ratefeature not registered120Hz
Display featuresfeature not registered3200nits[peak]
Dolby Vision/HDR10+
Touch Sampling Rate: 300Hz

🤖 Operating System

Samsung Gravity T (SGH-T669)Xiaomi 15 (China 512GB/12GB)
System versionProprietary OSAndroid 15
Firmware updatefeature not registeredfeature not registered
User Interfacefeature not registeredHyperOS 2

⚙️ Processor

Samsung Gravity T (SGH-T669)Xiaomi 15 (China 512GB/12GB)
Chipset32bit64bit: Qualcomm Snapdragon 8 Elite (SM8750-AB) (3nm)
CPUSingle-core, 1 processor:
1x 184MHz
Octa-core, 2 processors:
2x 4.32GHz Oryon V2 Phoenix L (Dual-core)
6x 3.53GHz Oryon V2 Phoenix M (Hexa-core)
GPU graphical controllerfeature not registeredQualcomm Adreno 830 (1100MHz)
Performance (benchmark)feature not registeredAnTuTu: 2534643 (v10)
Geekbench: 9419 (v6)

💽 Memory and storage

Samsung Gravity T (SGH-T669)Xiaomi 15 (China 512GB/12GB)
RAM memoryfeature not registered12GB LPDDR5X
Internal storage50MB512GB (458GB available)
UFS 4.0
External storageUntil 16GB microSD, microSDHC
(dedicated slot)
Not supported

📶 Mobile networks

Samsung Gravity T (SGH-T669)Xiaomi 15 (China 512GB/12GB)
Dual-SIMNot supportedDual-SIM Standby - Call active on one sim card
SIM card1 slot (Single-SIM)
Standard mini-SIM (2FF)
2 slots (Dual-SIM)
nano-SIM (4FF) + e-SIM
Maximum Download / Upload3.6 Mbps3000/1024 Mbps
Network technology2G, 3G2G, 3G, 4G, 5G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkUMTS 1700/2100UMTS 850/900/1700/1900/2100
Primary 4G networkNot supportedLTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 66)
TD-LTE (34, 38, 39, 40, 41, 42, 48)
VoLTE
Primary 5G networkNot supportedSA/NSA/Sub6 (1, 2, 3, 5, 12, 20, 26, 28, 38, 40, 41, 48, 66, 77, 78, 80, 81, 83, 84, 89)
Primary data networkGPRS, EDGE, UMTS, HSDPAGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6
Secondary 2G networkNot supportedGSM 850/900/1800/1900
Secondary 3G networkNot supportedUMTS 850/900/1700/1900/2100
Secondary 4G networkNot supportedLTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 66)
TD-LTE (34, 38, 39, 40, 41, 42, 48)
VoLTE
Secondary data networkNot supportedGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6

📷 Camera

Samsung Gravity T (SGH-T669)Xiaomi 15 (China 512GB/12GB)
Back camera (main camera)2 megapixels(triple camera)
50 megapixels
50MP telephoto f/2.060mm1/2.76"0.64µmPDAFOIS2.6x-optical-zoom
50MP ultrawide f/2.214mm115°1/2.76"0.64µm
Main camera resolution1600x1200 pixels8160x6120 pixels
Video recording (primary)Supported8K UHD (7680x4320) 30 fps
FlashNot supportedDual-LED flash
Focal aperturefeature not registeredf/1.6 (aperture)
Focal lengthfeature not registered23mm (lens)
Sensor sizefeature not registered1/1.31" inches
Pixel sizefeature not registered1.2µm pixel
AutofocusNot supportedPDAF: phase detection autofocus
Touch focusfeature not registeredSupported
Image stabilizationfeature not registeredOIS: Optical stabilization
ZoomOnly digital zoomDigital and optical zoom
Face/smile detectionfeature not registeredFace detection, Smile detection
BSI sensorfeature not registeredSupported
HDRfeature not registeredHDR photo/video on both cameras
Camera extrasfeature not registered8K@24/30fps (HDR)
4K@24/30/60fps (HDR10+, 10-bit Dolby Vision HDR, 10-bit LOG)
1080p@30/60/120/240/960fps
720p@1920fps
Leica Summilux

📸 Front camera

Samsung Gravity T (SGH-T669)Xiaomi 15 (China 512GB/12GB)
Front camera (secondary)Not supported32 megapixels
Front camera resolutionNot supported6528x4896 pixels
Video recording (secondary)Not supported4K UHD (3840x2160)
Front flashNot supportedNot supported
Focal aperturefeature not registeredf/2.0 (aperture)
Focal lengthfeature not registered21mm (lens)
Sensor sizefeature not registered1/3.14" inches
Pixel sizefeature not registered0.7µm pixel

🔉 Sound and multimedia

Samsung Gravity T (SGH-T669)Xiaomi 15 (China 512GB/12GB)
LoudspeakerSupportedStereo sound
24-bit/192kHz
Dolby Atmos
Hi-Res
Active noise cancellationfeature not registered4 microphones
RadioNot supportedNot supported
TVNot supportedNot supported
Video formatsMP4, H.264, H.263MP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, eAAC+MP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Samsung Gravity T (SGH-T669)Xiaomi 15 (China 512GB/12GB)
USBMicroUSB 2.0USB 3.2 Type-C, USB OTG On-The-Go
Audio outputvia Micro-USBType-C reversible connector
TV outputNot supportedUSB Type-C (reversible)
Bluetooth2.1 + A2DP6.0 + A2DP/LE
WiFiNot supported802.11 a/b/g/n/ac/ax/be [wifi7/6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO
WiFi Direct, hotspot
DLNAfeature not registeredNot supported
GPSA-GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
NFCNot supportedSupported
Infrared portfeature not registeredSupported

🧭 Sensors

Samsung Gravity T (SGH-T669)Xiaomi 15 (China 512GB/12GB)
SensorsAccelerometerAccelerometer
Ambient light sensor
Barometer
Compass
Face unlock
Fingerprint sensor (under display)
Gyroscope
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Samsung Gravity T (SGH-T669)Xiaomi 15 (China 512GB/12GB)
Battery typeLi-Ion: lithium-ion (Removable)Li-Si: lithium-silicon (Non removable)
Battery capacity1000 mAh5400 mAh
Charger, wattsWired charging90W Wired fast charging
Reverse charging by cable
Quick Charge 3+
USB Power Delivery 3.0
Inductive / wireless chargingfeature not registered50W Qi Wireless charging (Qi/WPC)
10W Reverse wireless charging
Talk time autonomy6 hoursfeature not registered
Standby400 hours (16.7 days)feature not registered

➕ Other features

Samsung Gravity T (SGH-T669)Xiaomi 15 (China 512GB/12GB)
Call controlVoice dialing, Voice recorderVoice dialing, Voice recorder, Voice commands
MessagingSMS, MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingNot supportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserfeature not registeredHTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardRetractable QWERTY keyboardNot supported
Miscellaneous• Colors: Various
• T-Mobile Social Buzz
• Facebook, Twitter
• Java framework
• Colors: Black, White, Green, Lilac, Liquid Silver
• Xiaomi HyperAI

☢️ Radiation rate

Samsung Gravity T (SGH-T669)Xiaomi 15 (China 512GB/12GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registered0.99W/kg (head), 1W/kg (body)
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